diff --git a/css/chat_style-cai-chat.css b/css/chat_style-cai-chat.css
index d7b1ba88..93276bd3 100644
--- a/css/chat_style-cai-chat.css
+++ b/css/chat_style-cai-chat.css
@@ -9,6 +9,7 @@
 
 .message-body {
     margin-top: 3px;
+    font-size: 15px !important;
 }
 
 .circle-you {